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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-08-23 Hits: Popular:AG11 battery
What are the two ways to improve the performance of 6F22 battery?
In theory, the capacity of 6F22 battery is 5 times that of current battery electrodes, and the voltage is about 2.123V. Although these characteristics of 6F22 battery are very outstanding, the recyclability of 6F22 battery is very low.
After 50 charging cycles, the capacity density of 6F22 battery drops rapidly, mainly due to the dissolution and volume expansion of Li2Sn (4≤n≤8) that acts as a medium, as well as the low conductivity of sulfides and polysulfides.
The first method is to stabilize sulfur: the researchers used amylopectin, a polysaccharide that is an important component of corn starch. A three-dimensional cross-linked structure was made with a compound coated with amylopectin (GO-S-Amy).
With this cross-linked structure, the sulfur particles in graphene oxide are effectively controlled, and the recyclability is also greatly improved compared with that without the compound (GO-S-Amy).
Another way to improve the durability of 6F22 battery is to heat the polyaniline sulfur (polyaniline?sulfur) of the sulfurized core-shell structure to obtain a nanocompound (S-Pani) with a hollow core-shell structure.
Researchers found that compared with the chemical leaching method, the heating method can obtain more uniform hollow core-shell structures. In addition, the cyclability of the hollow core-shell nanostructure is greatly improved, because the voids inside the polymer shell can accommodate the volume expansion of sulfur during the lithiation reaction.
The hollow core-shell structure material is still very stable after charging 200 times. From a chemical point of view, this polyaniline coating is a chain structure formed by benzene rings and ammonium groups strung together. It is soft and flexible, and can prevent the shell from cracking during long-term cycles.
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